Review of Literature-wrote this in 9th grade for science fair. got all the way to state wit it tho so be careful. its about marigolds and what the effects of zinc, borax, and citric acid has on them.

Review of Literature Plants are organisms that, like everything else that is living, are made up of cells and they are in the Plantae Kingdom (Plants, p. 2893-2894). The earliest know plants that occurred were the ferns, and they appeared about 400 million years ago (Plant, 1996). Plants get their energy from the sun by a process called photosynthesis and take in food and water by their root system. Then it travels up the stem and to …

…or Chinese white) is used as a paint pigment. It is also used as a filler in rubber tires and is used in medicine as an antiseptic ointment. Zinc chloride is used as a soldering fluid and as a wood preservative. Zinc sulfide is useful in applications involving photoconductivity, electroluminescence, and semiconductivity and has other electronic uses. It is also used as a phosphor for the screens of television tubes and in fluorescent coatings.(Zinc, 2002)